H̶i̶!̶
̶I̶’̶m̶ ̶b̶u̶i̶l̶d̶i̶n̶g̶ ̶t̶h̶e̶ ̶s̶a̶v̶e̶ ̶g̶a̶m̶e̶ ̶s̶y̶s̶t̶e̶m̶ ̶f̶o̶r̶ ̶m̶y̶ ̶g̶a̶m̶e̶.̶ ̶I̶ ̶n̶e̶e̶d̶ ̶t̶o̶ ̶s̶a̶v̶e̶ ̶t̶h̶e̶ ̶v̶a̶l̶u̶e̶s̶ ̶o̶f̶ ̶l̶o̶t̶s̶ ̶o̶f̶ ̶v̶a̶r̶i̶a̶b̶l̶e̶s̶ ̶t̶o̶ ̶a̶ ̶f̶i̶l̶e̶.̶ A̶l̶l̶ ̶o̶f̶ ̶t̶h̶i̶s̶ ̶v̶a̶r̶i̶a̶b̶l̶e̶s̶ ̶a̶r̶e̶ ̶o̶r̶g̶a̶n̶i̶z̶e̶d̶ ̶i̶n̶ ̶a̶ ̶s̶t̶r̶u̶c̶t̶u̶r̶e̶ ̶t̶h̶a̶t̶ ̶c̶o̶n̶t̶a̶i̶n̶s̶ ̶s̶u̶b̶s̶t̶r̶u̶c̶t̶u̶r̶e̶s̶ ̶(̶a̶n̶d̶ ̶s̶o̶ ̶o̶n̶)̶ a̶n̶d̶ ̶m̶a̶n̶y̶ ̶c̶h̶i̶l̶d̶ ̶v̶a̶r̶i̶a̶b̶l̶e̶s̶ ̶a̶r̶e̶ ̶r̶e̶c̶u̶r̶s̶i̶v̶e̶l̶y̶ ̶g̶e̶n̶e̶r̶a̶t̶e̶d̶ ̶d̶u̶r̶i̶n̶g̶ ̶g̶a̶m̶e̶p̶l̶a̶y̶.̶
̶I̶ ̶c̶a̶n̶ ̶b̶u̶i̶l̶d̶ ̶a̶ ̶f̶u̶n̶c̶t̶i̶o̶n̶ ̶t̶h̶a̶t̶ ̶w̶r̶i̶t̶e̶s̶ ̶e̶a̶c̶h̶ ̶v̶a̶l̶u̶e̶ ̶t̶o̶ ̶a̶ ̶f̶i̶l̶e̶ ̶a̶n̶d̶ ̶a̶n̶o̶t̶h̶e̶r̶ ̶t̶h̶a̶t̶ ̶r̶e̶t̶r̶i̶e̶v̶e̶s̶ ̶i̶t̶ ̶b̶u̶t̶.̶.̶.̶ i̶s̶ ̶t̶h̶e̶r̶e̶ ̶a̶ ̶n̶a̶t̶i̶v̶e̶ ̶w̶a̶y̶ ̶t̶o̶,̶ ̶f̶o̶r̶ ̶e̶x̶a̶m̶p̶l̶e̶,̶ ̶c̶o̶n̶v̶e̶r̶t̶ ̶a̶ ̶s̶t̶r̶u̶c̶t̶u̶r̶e̶ ̶i̶n̶t̶o̶ ̶a̶ ̶J̶S̶O̶N̶ ̶o̶r̶ ̶X̶M̶L̶ ̶f̶o̶r̶m̶a̶t̶,̶ w̶r̶i̶t̶e̶ ̶i̶t̶ ̶t̶o̶ ̶a̶ ̶f̶i̶l̶e̶ ̶a̶n̶d̶ ̶r̶e̶t̶r̶i̶e̶v̶e̶ ̶i̶t̶ ̶l̶a̶t̶e̶r̶?̶ ̶I̶ ̶m̶e̶a̶n̶,̶ ̶a̶ ̶s̶i̶m̶p̶l̶e̶ ̶w̶a̶y̶ ̶t̶o̶ ̶R̶E̶C̶U̶R̶S̶I̶V̶E̶L̶Y̶ ̶c̶o̶n̶v̶e̶r̶t̶ a̶n̶d̶ ̶w̶r̶i̶t̶e̶ ̶A̶N̶Y̶ ̶s̶t̶r̶u̶c̶t̶u̶r̶e̶ ̶t̶o̶ ̶a̶ ̶f̶i̶l̶e̶?̶ ̶H̶o̶w̶ ̶i̶t̶ ̶w̶o̶r̶k̶s̶?̶
H̶a̶s̶ ̶a̶n̶y̶b̶o̶d̶y̶ ̶a̶c̶h̶i̶e̶v̶e̶ ̶i̶t̶?̶
[size=150]SOLUTION:[/size]
Ok, maybe there is not a simple way to write and read an entire complex data structure (I mean, structure with sub-structures, dynamic generated child variables and simulation of arrays) but is not impossible using the same principles of file format design.
This project can generate a random complex data structure, write it to a structured file, read it from the file and display the data on screen.
It’s useful if you have to save the status of complex games with dynamic generated data organized in structures (for example, the save-game system of a strategy game where you have to save the data of different units generated at runtime, so it is not possible to know in advance how many variables you will use or the amount of data that must be saved).
But remember, this is just an example, you need to adapt it to your own purposes.
dynamic_structure_to_file.zip (3.85 KB)
The project don’t use any kind of graphics, just text.
Instructions are displayed on screen.
Hope it will be useful! 
